searx (self-hosted open source) can be set as defult in Chrome just fine without any extensions. If you need some hints from them: https://github.com/searx/sea

searx (self-hosted open source) can be set as defult in Chrome just fine without any extensions. If you need some hints from them: https://github.com/searx/searx/issues/1666 https://github.com/searx/searx/issues/1666